html { scroll-behavior: smooth; }

#navbar.scrolled {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 0;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f4f2ee; }
::-webkit-scrollbar-thumb { background: #ff5b4a; border-radius: 4px; }